[fpc-devel] Extended type

[Florian Klaempfl]

Am 19.04.2011 12:27, schrieb Daniël Mantione:
>
>
> Op Tue, 19 Apr 2011, schreef Florian Klämpfl:
>
>>> It's just that the documentation tells you not to use the x87.
>>
>> Yes, because it's strange programming model should be really dropped.
>
> Agree, but the 80 bit support makes some people want to use it. And that
> will stay this way until CPU manufacturers invent an alternative.

Using extended typically hides only bad numerical algorithms. There 
might be some corner cases where extended is usefull but I general I 
think it's a matter of bad algorithms.

>
> By the way, recent GCC versions calculate the goniometric functions in
> software using SSE3, and I checked that this is indeed slightly faster
> than the x87.

I know but as usual, time etc ;)